Vail: Studies in the Asclepiadaceae 



4^5 



■ 



little below the middle, minutely granular-pubcrulent on the 

 outer surface; segments oblong, obtuse, glabrous within; crown 

 cohering to the corolla and to the raised gynostcgium, cup- 



I mm. 



5-Iobed, ea 

 long, erect 



ligule 



^ — ^ , ■ 



: stigma rounded, scarcely depressed : 



pollinia orbicular, horizontal or ascending on rather broad, winged 

 caudicles ; corpuscle nearly rhombic. Follicles not seen. 



Neiv Grenada : Goudot ; Flora Neogranadina-Magdalcna, I. F. 



Holton, Opia, no. 461, Dec, 1852. 



Both of these specimens are in the Kew Herbarium and a 

 duplicate of the Holton number is in the Herbarium of Columbia 

 University. 



Mellichampia ligulata (B 



Ensknia ligulata Benth. PI. Hartw. 290. 



1848. 



ip 



437. 



1887. 



For some time past I have suspected the identity of Melli- 

 champia with Euslenia ligulata and through the courtesy of the 

 Director of the Royal Gardens at Kew, I have obtained a tracing 

 of the type of the latter plant which confirms the suspicion. Be- 

 sides the type from Aguas Calientes, South Mexico, it has been col- 



Jal 



Guadalajara, by Dr. Palmer, no. 



J 



1886, and by C. G. Pringle, in copses near 



Guadalajara, no. 5432, Aug., 1893. Mr. Hemsley (Biol. Centr. 

 Am. 2: 358) also quotes a specimen without locality from Herb. 

 Pavon as belonging to this species. The specimens distributed as 

 Ensloda ligulata by Pringle (no. 4494) and Auipdanus ligulata by 

 A. A. Heller (no. 1899) are species o{ Roulinia. 



I 



THE TYPES OF GONOLOBUS MICHAUX AND DESCRIPTIONS OF NEW SPECIES IN 



VINCETOXICUM WALTER 



I 



The types of the three species of Gonolohus (Michx. Fl. Bor. 

 Am. I : 119) are preserved in the Herbarium of the Museum in 

 the Jardin des Plantes, Paris, where they are represented by several 

 specimens each, all in a somev/hat fragmentary condition, though 



In the 



M. Drake del Castillo, Paris) 



quite recognizable and 



agreeing with the descriptions. 



the actual specimens owned and described by Richard in the FL 

 Bor, Am. can be seen and they are In every way exact duplicates 



